“hristmas tree / production tree”的概念、定义、翻译、参考文献-科学参考

单词	hristmas tree / production tree
释义	hristmas tree / production tree Encyclopedia 理学水下油气生产系统释 hristmas tree / production tree采油树位于油井顶端开口处的一个组件。它将来自井下的生产管道与出油管连接在一起，同时作为油井顶端和外部环境隔绝开的重要屏障。原称十字树、X型树或者圣诞树。
随便看	modern cursive script modern dance Modern Design modern design Modern Discourse on Paintings Modern Distance Education Project of Rural Primary and Secondary Schools Modern drama Modern Drama Series Modern Drama Theatre of Shandong Province modern dramatic literature Modern Dramatic Works of Ma Jianling Moderne Algebra modern ecological agriculture modern economic growth modern education in Russia modern element theory modern era Modern Ethics modern european watch industry modern evolutionary synthesis theroy modern experimental agronomy Modern Family modern fauna Modern Film modern film

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